R5F61668RD50FPV Renesas Electronics America, R5F61668RD50FPV Datasheet - Page 1262
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R5F61668RD50FPV
Manufacturer Part Number
R5F61668RD50FPV
Description
MCU 3V 1024K I-TEMP 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668RN50FPV.pdf
(1506 pages)
Specifications of R5F61668RD50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61668RD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 27 Clock Pulse Generator
Table 27.3 Crystal Resonator Characteristics
27.2.2
An external clock signal can be input as the examples in Figure 27.4. When the XTAL pin is left
open, make the parasitic capacitance less than 10 pF. When the counter clock is input to the XTAL
pin, put the external clock in high level during standby mode.
Rev. 2.00 Sep. 24, 2008 Page 1228 of 1468
REJ09B0412-0200
Frequency (MHz)
R
C
S
0
Max. (pF)
Max. (Ω)
External Clock Input
8
80
EXTAL
Figure 27.4 External Clock Input (Examples)
EXTAL
EXTAL
XTAL
XTAL
Figure 27.5 External Clock Input Timing
t
EXr
(b) Counter clock input on XTAL pin
12
60
t
EXH
(a) XTAL pin left open
Open
t
EXL
t
EXf
7
External clock input
External clock input
16
50
Vcc × 0.5
18
40
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